Syrnola
Syrnola is a genus of sea snails, marine gastropod molluscs in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.

P. Bartsch · Public Domain · via Wikidata/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Sits inside
- PyramidellidaePBDB
- Diet
- carnivorePBDB, for Pyramidellidae
- Life habit
- epifaunalPBDB, for Pyramidellidae
- Motility
- actively mobilePBDB, for Pyramidellidae
- Vision
- limitedPBDB, for Gastropoda
Time the record covers
At least 72 million years on record.
The record covers at least 72.2 Mya to 11.7 ka. No occurrence read is dated outside 83.6 Mya to 0 Mya.
188 occurrences of Syrnola on record, most of them in the Miocene. The Paleobiology Database records this as a living group. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
188 occurrences- Late Cretaceousunder 1%
- Paleocene9%
- Eocene26%
- Oligocene11%
- Miocene48%
- Pliocene1%
- Pleistocene4%
- Holoceneunder 1%
These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
53 formations
- Selsey Formation · Bracklesham Group10
- Dry Creek Sands Formation9
- Borgloon Formation · Tongeren Group6
- Falun de Jeurs Formation5
- Moodys Branch Formation · Jackson Group5
- Breda Formation5
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The named rock units Syrnola has been recovered from, largest first. Drawn where the rock is now, not where it formed. 29 further formations hold fewer occurrences each and are not listed. 64 occurrences have no formation on record, which is common for older literature.
Syrnola and its relatives
MioceneWhere Syrnola and its relatives were recorded in the Miocene.
Found in the same rock
1,776 taxa- Varicorbula gibba36 sites
- Parvicardium35 sites
- Limopsis32 sites
- Saccella westendorpi30 sites
- Cyclocardia29 sites
- Astarte (Astarte) radiata27 sites
- Lentigodentalium27 sites
- Limopsis (Limopsis) aurita27 sites
- Reussirella27 sites
- Venus (Ventricoloidea) multilamella27 sites
- Yoldiella27 sites
- Gouldia (Gouldia) minima26 sites
- Dentalium (Pseudantilis)25 sites
- Scapharca (Scapharca) diluvii25 sites
- Yoldia (Yoldia) glaberrima25 sites
- Nuculoma24 sites
- Habecardium23 sites
- Korobkovia23 sites
- Lunulites23 sites
- Aequipecten22 sites
- Limopsis (Pectunculina) lamellata22 sites
- Pseudamussium lilli22 sites
- Glossus (Glossus)20 sites
- Odostomia20 sites
The Paleobiology Database records 98 sites for Syrnola, and this reads all of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
54 references- Die Fauna des marinen Miozäns von Kevelaer (Niederrhein). Band 4 Gastropoda ab Mitridae53
- Resilience of marine invertebrate communities during the early Cenozoic hyperthermals12
- Distribution of Mollusca in Units S1 to S9 of the Selsey Formation (middle Lutetian), Selsey Peninsula, West Sussex10
- Biostratigraphie et paleoecologie des gisements types du Stampian de la region d''Etampes (Essonne)9
- The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part IV - Gastropoda (Turritellidae-Struthiolariidae)9
- Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Pteropoda, Scaphopoda and Cephalopoda7
- The molluscan fauna of the Borgloon Formation in Belgium (Rupelian, Early Oligocene)6
- The mollusc fauna of the Stemerdink Bed (Miocene, Reinbekian) from outcrops in the Slinge brook at Winterswijk-Brinkheurne (The Netherlands, province of Gelderland)5
- Miocene Gastropods and Biostratigraphy of the Kern River Area, California5
- Die molluskenfauna (Hermmorium, Untermiozän) aus der Kiesgrube kirnke bei Werder (Nordwest-Niedersachsen)4
- The molluscs of the “Falunière” of Grignon (Middle Lutetian, Yvelines, France): quantification of lithification bias and its impact on the biodiversity assessment of the Middle Eocene of Western Europe3
- Lower to Middle Miocene Mollusc assemblages from the Torino Hills (NW Italy): Synthesis of new data and chronostratigraphical arrangement3
Each of the 188 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 42 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1

Picture of Syrnola
- Source
- Wikidata/Commons
- Credit
- P. Bartsch
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Syrnola was found in MorphoSource and Sketchfab.
Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Source
- Wikipedia, “Syrnola”
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itPyramidellidae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Adams 1860)